How many grams of water can be produced when 11.7 moles of ethane (C2H6) react with excess oxygen gas?

Unbalanced equation: C2H6 + O2 → CO2 + H2O

Show, or explain, all of your work along with the final answer.
Could someone help me with this?

Question

How many grams of water can be produced when 11.7 moles of ethane (C2H6) react with excess oxygen gas? 

Unbalanced equation: C2H6 + O2 → CO2 + H2O

Show, or explain, all of your work along with the final answer.
Could someone help me with this?

welshfella · Answer

first balance the equation

welshfella · Answer

I'll help you start this:-

2 C2H6 +    O2  ----->   2CO2   + 6H2O

welshfella · Answer

Now all you have to do is put a number before the O2

welshfella · Answer

there are 10 oxygen atoms on the right side of the equation

welshfella · Answer

so you need 10 oxygens on left side, right?

anonymous · Answer

Its alright i finished the problem, idk if its right but we'll see

anonymous · Answer

Thank you tho!